My WiFi being out for 2 days

First. Check their site for official info on any possible local outages here;

https://www.xfinity.com/support/status 

Use a cell phone internet service, a public WiFi hotspot, or a neighbor's internet if you need to in order to check it.

Or you can use their Xfinity App: https://www.xfinity.com/apps 

Is / are the light / lights on the modem lit steadily or are they blinking ?

Hello, @user_qivtc8 and thank you for reaching out. I'm very sorry to hear that you've been experiencing an service interruption for the past two days, especially when you're relying on your internet connection for work. I can certainly understand how frustrating that must be. To determine what is causing the interruption and whether there is an estimated restoration time, I would need to review the account and outage information for your specific address. Please send me a direct message with your full first and last name and full service address, and I'll be happy to take a closer look at the outage details and see what information is available. I apologize for the inconvenience and appreciate your patience while we work to get more information for you. 😊

To do so, click on the chat icon located at the top right of this forum's page.

Here are the detailed steps to direct message us:
• Click "Sign In" if necessary
• Click the "Direct Message” icon (upper right corner of this page)
• Click the "Start new conversation" (pencil and paper) icon
• Type "Xfinity Support" in the "to" line and select "Xfinity Support" from the drop-down list
• Type your message in the text area near the bottom of the window
• Press Enter to send your message
You must use the primary Xfinity ID